<html><head>
<title>Testcase bug - Crash [@ nsRuleNode::GetParentData]</title>
<script>
function addstyles1(){
var x=document.createElementNS('http://www.w3.org/1999/xhtml','style');
x.innerHTML='\
*::first-letter {float: right; }\
';
document.documentElement.appendChild(x);

setTimeout(removestyles,500);
}
setTimeout(addstyles1,200);

function removestyles(i){
document.getElementsByTagName('tfoot')[0].removeAttribute('style');
document.getElementsByTagName('table')[0].removeAttribute('style');

window.parent.document.documentElement.className = "";
}
</script>
<style>
*::before { content:"before text";}
</style>
</head><body>
<table style="display: block;">
<tbody><tr><td></td></tr></tbody><tfoot style="position: absolute;"></tfoot>
</table>
</body></html>
